Definitions by The Indian Nerd:Akshaya (jk!)

smacking 

1. awesome; incredible; great; fantastic
-can also be used as-
2. horrible; useless; bad quality
3. Interjection

That was a smacking performance!

What smacking sound quality...

Smack that!

smacking by The Indian Nerd:Akshaya (jk!) March 25, 2010